| |||
| 滚动圆 (base circle); 齿轮基圆 (base circle); 齿的基圆 (base circle) | |||
| 滚环 | |||
| 滚环 (分生) | |||
| 滚动圆; 齿轮的基圆 | |||
| 滚圈 | |||
| 转盘; 转车台; 滚圆; 基圆; 齿轮基圆 | |||
|
rolling-circle : 23 phrases in 8 subjects |
| Agriculture | 4 |
| Chemistry | 2 |
| Genetics | 4 |
| Gymnastics | 5 |
| Life sciences | 1 |
| Rail transport | 2 |
| Sports | 1 |
| Technology | 4 |